Michael F. Holick, PhD, MD

Michael F. Holick, PhD, MD, professor of medicine, physiology and biophysics, Boston University School of Medicine, and author of The Vitamin D Solution.


More Sun, Longer Life?

Let the sunshine in. It’s good for the heart, according to a new study. It’s no excuse to start sunbathing…

Dental Health

Do This Before You Brush Your Teeth

Oil pulling for sturdy gums and teeth sounds like a complicated (possibly painful!) procedure, but it’s really quite easy and…


The Truth About Sunshine

Are we going overboard by avoiding it all the time? It’s a gorgeous summer morning, so you step outside to…

Vitamins & Minerals

The Truth About Vitamin D

Low blood levels of vitamin D have been linked to many diseases including osteoporosis, heart disease, cancer, type 2 diabetes,…


Use Natural Light to Improve Your Health

How Light Affects Your Health, Day and Night As days lengthen through spring my thoughts often turn to... light. Every…

Vitamins & Minerals

Misguided Guidelines on Vitamin D?

To me, it seemed to take a long time for the Institute of Medicine (IOM), which sets the recommended dietary…